Retusotriletes sp.A Rich.& List.,1969
- Citations total:
- 2
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| original | Downtonian | Siegenian | Canada(Ontario) | McGregor,D.C. et al. Upper Silurian? to Middle Devonian spores of the Moose River Basin, Ontario. | 1976 |
| original | Middle Ludlovian | Downtonian | Wales(Carmarthenshire) | Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales | 1969 |